package org.cs.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

public class SessionFilter implements Filter {

    public SessionFilter() {
    }

	public void destroy() {
	}

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest req = (HttpServletRequest) request;
		
		System.out.println(req.getRequestURI());
		System.out.println(req.getServletPath());
		String reqUrl = req.getRequestURI();
		if (reqUrl.endsWith("/LoginVerify")) {
			chain.doFilter(request, response);
			return;
		}
		
		
		String un = (String) req.getSession().getAttribute("userName");
		if(un==null || "".equals(un)){
			req.getRequestDispatcher("cs_login/login.jsp").forward(request, response);
			return;
		}
		chain.doFilter(request, response);
	}

	public void init(FilterConfig fConfig) throws ServletException {
	}

}
